How to Prepare for Zimbra Collaboration Suite 7.1.4 Mail Server Installation on CentOS 6.2 x86_64

Before you start to install Zimbra Collaboration Suite 7.1.4 Mail Server on CentOS 6.2 x86_64, there are a few prerequisites that must be perform. This is the summary of the configuration prerequisites :

1. Prepare for Fully qualified domain name (FQDN) for your zimbra mail server and do the configuration of your dns server :
2. Configure /etc/hosts and hostname.
3. Disable SElinux.
4. Disable iptables or configure iptables with zimbra ports.
5. Modify sudo configuration file. Uncomment as below for “Defaults requiretty” :
How to Fix “Initializing ldap…failed” Zimbra Installation on CentOS 6.2 x86_64

[root@mail ~]# vi /etc/sudoers
#Defaults    requiretty


6. Do workaround to fix missing /usr/lib/
How to Fix “MISSING: /usr/lib/ Zimbra Installation on CentOS 6.3 x86_64
7. Stop and disable postfix at boot :

[root@mail ~]# service postfix stop
[root@mail ~]# chkconfig postfix off

8. Stop and disable sendmail service to start at boot :

[root@mail ~]# service sendmail stop
[root@mail ~]# chkconfig sendmail off

9. Install prerequisites software :

[root@mail ~]# yum install nc sudo libidn gmp libstdc++ perl sysstat sqlite -y


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